Primes of the form 9n^2 - 5.

Terms

a(0) =31a(1) =139a(2) =571a(3) =1291a(4) =1759a(5) =5179a(6) =6079a(7) =10399a(8) =17419a(9) =20731a(10) =28219a(11) =30271a(12) =34591a(13) =39199a(14) =41611a(15) =49279a(16) =54751a(17) =63499a(18) =69691a(19) =82939a(20) =101119a(21) =104971a(22) =116959a(23) =125311a(24) =147451a(25) =161599a(26) =186619a(27) =207931a(28) =219019a(29) =242059